Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://jottigo.ru/wix?keyword=msn+hot+mail.co.uk+sign+in.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://jottigo.ru/wix?keyword=msn+hot+mail.co.uk+sign+in PDF link annotation

  • http://bubobimurasawe.iblogger.org/cuisinart_air_fryer_toaster_oven_toa-60_parts.pdfIn PDF document text
  • https://cdn.sqhk.co/tesadubozino/haidRtw/dining_chairs_near_me.pdfIn PDF document text
  • http://tifunadepepix.22web.org/sowepidolijotiwasuki.pdfIn PDF document text
  • http://misiliv.66ghz.com/40755690188.pdfIn PDF document text
  • https://cdn.sqhk.co/sixepatexup/2hjYQwC/2606252642.pdfIn PDF document text
  • https://cdn.sqhk.co/salulilo/hwsibib/granny_mod_menu_apk_1._5._9.pdfIn PDF document text
  • http://fivokuje.iblogger.org/gojofanutinedetotitaw.pdfIn PDF document text
  • https://cdn.sqhk.co/mukibusu/i6OKgfA/world_school_leadership_study.pdfIn PDF document text
  • https://cdn.sqhk.co/wanuvudeb/jbBLQje/2_color_passport_size_photos.pdfIn PDF document text
  • https://cdn.sqhk.co/pozigafo/fiajb7q/2017_football_recruits_espn.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://1e16da7b-5b4f-4122-a3c4-5c88c9d97cf7.filesusr.com/ugd/83f04e_219494ee8a904627aab31a292c33a910.pdf?index=trueIn PDF document text
  • https://700ceb37-22d2-47c5-9888-d858af679aee.filesusr.com/ugd/c345b0_7a6dbb554124433693ef94af25de3cbe.pdf?index=trueIn PDF document text
  • https://9fbaa0db-fe9e-443e-b503-3d02ea494c21.filesusr.com/ugd/d417e9_001cf25359c541e7b520b532acfd4951.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/bdee912e-6294-4561-ab7e-f07e2b29905e/bulosokepopukafevejakiga.pdfIn PDF document text
  • https://a9cc89f4-7256-44a9-8b25-ad2e348aea4f.filesusr.com/ugd/7ad284_ab077b60bff3485b8c075ba190e2cae5.pdf?index=trueIn PDF document text
  • https://bac325b5-3710-4a60-ba01-c1ac5e8a7650.filesusr.com/ugd/c111de_59713822304f40a4a93560320894a486.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1deb89d-da38-4ce2-81e9-54ef7e2ad8b5/kauai_road_map_printable.pdfIn PDF document text
  • https://e1bd05e7-a2ed-43df-b5fc-9bc8ee0b1a84.filesusr.com/ugd/08acf3_8b74a233a1c14eb08b5166cb58f33643.pdf?index=trueIn PDF document text
  • http://bamiwuvobazom.rf.gd/ruwuraretanuzagera.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a1befc3-4501-4ac5-91ba-0bde46256bb4/cisco_ccna_exam_questions.pdfIn PDF document text
  • https://f8071fb1-33dc-4bb9-9fe9-292e0ca0d861.filesusr.com/ugd/253000_ec8972086fcc4f278a512f5387c65c97.pdf?index=trueIn PDF document text
  • https://da5bec28-7969-4117-8ffb-5069fce5e80c.filesusr.com/ugd/31593d_5b5fdb7efeb24c33b96b5407f20f7b23.pdf?index=trueIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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